<h2>Guest list</h2>
<button ng-click="invite()">Invite another guest</button>
<div ng-repeat="guest in guests | orderBy:'last' | orderBy:'first'">
  <button ng-click="delete(guest)">delete</button>
  <button ng-click="update(guest)">update</button>
  {{ $index + 1 }}. <b>{{ guest.first }} {{ guest.last }}</b>
</div>
